National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

A Few Clouds

67°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 29.84 in (1010.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Jun 5:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. West wind 5 to 10 mph becoming east southeast in the morning.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 60. North wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind 5 to 10 mph.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Northwest wind around 5 mph becoming south southwest after midnight.

    Low: 61 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 93. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. West wind 5 to 10 mph becoming east southeast in the morning.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 60. North wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming south southwest after midnight.
Juneteenth
Sunny, with a high near 93. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 101. Breezy.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
3:01 am CDT Jun 17, 2025
Forecast Valid:
6am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation